Message ID | 303cc9ce3a9d7ca85542f12ebfda27eeb449e73b.1680796770.git.steve@sakoman.com |
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State | New |
Headers | show
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Series |
[langdale,01/26] xdg-utils: Add a patch for CVE-2020-27748
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diff --git a/scripts/lib/wic/filemap.py b/scripts/lib/wic/filemap.py index 4d9da28172..85b39d5d74 100644 --- a/scripts/lib/wic/filemap.py +++ b/scripts/lib/wic/filemap.py @@ -46,6 +46,13 @@ def get_block_size(file_obj): bsize = stat.st_blksize else: raise IOError("Unable to determine block size") + + # The logic in this script only supports a maximum of a 4KB + # block size + max_block_size = 4 * 1024 + if bsize > max_block_size: + bsize = max_block_size + return bsize class ErrorNotSupp(Exception):